/* ============================================
   ASHTAMI DESIGN STUDIO — Layout
   Header, Footer, Grid Systems, Nav
   ============================================ */

/* ── Site Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: var(--z-header);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    transition: background var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out);
}

.site-header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.site-header__logo {
    flex-shrink: 0;
}

.site-header__logo img,
.site-logo-img {
    height: 72px; /* increased from 48px to make logo text readable */
    width: auto;
    max-width: 250px;
}

.site-logo-text {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    color: var(--color-primary-darker);
    text-decoration: none;
    letter-spacing: var(--ls-tight);
}

.site-logo-text:hover {
    color: var(--color-primary-dark);
}

.custom-logo-link img {
    height: 48px;
    width: auto;
}

/* Navigation */
.site-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-link {
    font-size: var(--fs-small);
    font-weight: var(--fw-medium);
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--duration-normal) var(--ease-out);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.current-menu-item .nav-link {
    color: var(--color-primary);
}

.current-menu-item .nav-link::after {
    width: 100%;
}

/* Header Actions */
.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-cta {
    display: inline-flex;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: calc(var(--z-header) + 10);
}

.hamburger__line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary-darker);
    transition: transform var(--duration-normal) var(--ease-out),
        opacity var(--duration-normal) var(--ease-out);
}

.hamburger.active .hamburger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-slow) var(--ease-out);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu__inner {
    text-align: center;
}

.mobile-nav-list {
    list-style: none;
}

.mobile-nav-list li {
    margin-bottom: var(--space-lg);
}

.mobile-nav-list a {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    color: var(--color-primary-darker);
    text-decoration: none;
    transition: color var(--duration-normal) var(--ease-out);
}

.mobile-nav-list a:hover {
    color: var(--color-primary);
}

.mobile-menu__cta {
    margin-top: var(--space-2xl);
}

.mobile-menu__social {
    margin-top: var(--space-xl);
}

/* ── Main Content ── */
.site-main {
    margin-top: var(--header-height);
}

/* ── Footer ── */
.site-footer {
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-newsletter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
}

.footer-newsletter h3 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.footer-newsletter p {
    color: var(--color-primary-light);
    font-size: var(--fs-small);
}

.footer-newsletter__form {
    flex-shrink: 0;
    min-width: 360px;
}

.footer-newsletter__form input {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(160, 125, 132, 0.3);
    color: var(--color-white);
}

.footer-newsletter__form input::placeholder {
    color: var(--color-primary-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-3xl);
    padding: var(--space-2xl) 0;
}

.footer-logo {
    margin-bottom: var(--space-md);
}

.footer-logo .site-logo-text {
    color: var(--color-white);
}

.footer-logo .custom-logo-link img {
    filter: brightness(10);
}

.footer-tagline {
    color: var(--color-primary-light);
    font-size: var(--fs-small);
    margin-bottom: var(--space-lg);
    line-height: var(--lh-relaxed);
}

.footer-heading {
    color: var(--color-white);
    font-size: var(--fs-small);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
    font-family: var(--font-body);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-primary-light);
    font-size: var(--fs-small);
    text-decoration: none;
    transition: color var(--duration-normal) var(--ease-out);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-primary-light);
}

.footer-contact span {
    color: var(--color-primary-light);
    font-size: var(--fs-small);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--color-primary-light);
    border: 1px solid rgba(160, 125, 132, 0.3);
    transition: all var(--duration-normal) var(--ease-out);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(160, 125, 132, 0.2);
    margin-top: var(--space-xl);
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
}

/* ── Newsletter Popup ── */
.newsletter-popup {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.newsletter-popup.active {
    opacity: 1;
    pointer-events: auto;
}

.newsletter-popup__overlay {
    position: absolute;
    inset: 0;
    background: rgba(45, 35, 39, 0.6);
}

.newsletter-popup__content {
    position: relative;
    background: var(--color-white);
    padding: var(--space-3xl);
    border-radius: var(--radius-lg);
    max-width: 480px;
    width: 90%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform var(--duration-normal) var(--ease-out);
}

.newsletter-popup.active .newsletter-popup__content {
    transform: translateY(0);
}

.newsletter-popup__close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    background: none;
    border: none;
    transition: color var(--duration-fast);
}

.newsletter-popup__close:hover {
    color: var(--color-text);
}

.newsletter-popup h3 {
    margin: var(--space-sm) 0;
}

.newsletter-popup p {
    color: var(--color-text-light);
    font-size: var(--fs-small);
    margin-bottom: var(--space-lg);
}

/* ── Grid Utilities ── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .site-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }

    .footer-newsletter {
        flex-direction: column;
        text-align: center;
    }

    .footer-newsletter__form {
        min-width: auto;
        width: 100%;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline::before {
        left: 24px;
    }

    .timeline__item,
    .timeline__item:nth-child(odd) {
        flex-direction: row;
        text-align: left;
        padding-left: 72px;
    }

    .timeline__dot {
        left: 24px;
        transform: translateX(-50%);
    }

    .timeline__content {
        width: 100%;
    }

    .instagram-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
    }

    .meta-bar {
        flex-direction: column;
        gap: var(--space-md);
    }

    .logo-bar {
        gap: var(--space-xl);
    }

    .form-row {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .instagram-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hscroll {
        gap: var(--space-md);
    }
}